Add Gearman protocol dissector

ntop · Feb 1, 2024 · 5970ac3 · 5970ac3
1 parent 6c5ecae
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diff --git a/doc/protocols.rst b/doc/protocols.rst
@@ -575,3 +575,12 @@ References: `Main site <https://www.radmin.com/>`_
 Raft is a consensus algorithm and protocol for managing a replicated log.
 
 References: `C implementation <https://github.com/canonical/raft>`_ and `Paper <https://raft.github.io/raft.pdf>`_
+
+
+.. _Proto 394:
+
+`NDPI_PROTOCOL_GEARMAN`
+====================
+Gearman is a network-based job-queuing system that was initially developed by Danga Interactive in order to process large volumes of jobs.
+
+References: `Main site <http://gearman.org/>`_
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
@@ -762,6 +762,7 @@ void init_stomp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_in
 void init_radmin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_raft_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_cip_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_gearman_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 
 #endif
 

diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
@@ -422,6 +422,7 @@ typedef enum {
   NDPI_PROTOCOL_RADMIN                = 391,
   NDPI_PROTOCOL_RAFT                  = 392,
   NDPI_PROTOCOL_CIP                   = 393,
+  NDPI_PROTOCOL_GEARMAN               = 394,
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
@@ -2226,6 +2226,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "CIP", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
 			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 2222, 0, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_GEARMAN,
+			  "Gearman", NDPI_PROTOCOL_CATEGORY_RPC,
+			  ndpi_build_default_ports(ports_a, 4730, 0, 0, 0, 0) /* TCP */,
+			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main.c"
@@ -6022,6 +6026,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* CIP (Common Industrial Protocol) */
   init_cip_dissector(ndpi_str, &a);
 
+  /* Gearman */
+  init_gearman_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif

diff --git a/src/lib/protocols/gearman.c b/src/lib/protocols/gearman.c
@@ -0,0 +1,62 @@
+/*
+ * gearman.c
+ *
+ * Copyright (C) 2024 - ntop.org
+ * Copyright (C) 2024 - V.G <[email protected]>
+ *
+ * This file is part of nDPI, an open source deep packet inspection
+ * library based on the OpenDPI and PACE technology by ipoque GmbH
+ *
+ * nDPI is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * nDPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with nDPI.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "ndpi_protocol_ids.h"
+
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_GEARMAN
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_search_gearman(struct ndpi_detection_module_struct *ndpi_struct,
+                                struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+
+  NDPI_LOG_DBG(ndpi_struct, "search Gearman\n");
+
+  if (packet->payload_packet_len > 12 && packet->payload[0] == 0) {
+    if ((memcmp(&packet->payload[1], "REQ", 3) == 0) ||
+        (memcmp(&packet->payload[1], "RES", 3) == 0))
+    {
+      NDPI_LOG_INFO(ndpi_struct, "found Gearman\n");
+      ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_GEARMAN,
+                                 NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+      return;
+    }
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_gearman_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("Gearman", ndpi_struct, *id,
+				      NDPI_PROTOCOL_GEARMAN,
+				      ndpi_search_gearman,
+				      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+				      ADD_TO_DETECTION_BITMASK);
+  *id += 1;
+}
diff --git a/tests/cfgs/caches_cfg/result/ookla.pcap.out b/tests/cfgs/caches_cfg/result/ookla.pcap.out
@@ -3,7 +3,7 @@ Guessed flow protos:	1
 DPI Packets (TCP):	40	(6.67 pkts/flow)
 Confidence Match by port    : 1 (flows)
 Confidence DPI              : 5 (flows)
-Num dissector calls: 559 (93.17 diss/flow)
+Num dissector calls: 562 (93.67 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_cfg/result/teams.pcap.out b/tests/cfgs/caches_cfg/result/teams.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 2 (flows)
 Confidence DPI              : 80 (flows)
-Num dissector calls: 530 (6.39 diss/flow)
+Num dissector calls: 531 (6.40 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_global/result/ookla.pcap.out b/tests/cfgs/caches_global/result/ookla.pcap.out
@@ -4,7 +4,7 @@ DPI Packets (TCP):	40	(6.67 pkts/flow)
 Confidence DPI (partial cache): 1 (flows)
 Confidence DPI              : 4 (flows)
 Confidence DPI (aggressive) : 1 (flows)
-Num dissector calls: 559 (93.17 diss/flow)
+Num dissector calls: 562 (93.67 diss/flow)
 LRU cache ookla:      4/2/2 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/caches_global/result/teams.pcap.out b/tests/cfgs/caches_global/result/teams.pcap.out
@@ -7,7 +7,7 @@ Confidence Unknown          : 1 (flows)
 Confidence Match by port    : 2 (flows)
 Confidence DPI (partial)    : 4 (flows)
 Confidence DPI              : 76 (flows)
-Num dissector calls: 530 (6.39 diss/flow)
+Num dissector calls: 531 (6.40 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/pcap/gearman.pcap b/tests/cfgs/default/pcap/gearman.pcap
diff --git a/tests/cfgs/default/result/1kxun.pcap.out b/tests/cfgs/default/result/1kxun.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	120	(1.21 pkts/flow)
 Confidence Unknown          : 14 (flows)
 Confidence Match by port    : 6 (flows)
 Confidence DPI              : 177 (flows)
-Num dissector calls: 4939 (25.07 diss/flow)
+Num dissector calls: 4942 (25.09 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/60/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/443-chrome.pcap.out b/tests/cfgs/default/result/443-chrome.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 142 (142.00 diss/flow)
+Num dissector calls: 143 (143.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/443-opvn.pcap.out b/tests/cfgs/default/result/443-opvn.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 143 (143.00 diss/flow)
+Num dissector calls: 144 (144.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/KakaoTalk_chat.pcap.out b/tests/cfgs/default/result/KakaoTalk_chat.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	36	(2.00 pkts/flow)
 DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Match by port    : 5 (flows)
 Confidence DPI              : 33 (flows)
-Num dissector calls: 568 (14.95 diss/flow)
+Num dissector calls: 570 (15.00 diss/flow)
 LRU cache ookla:      0/1/0 (insert/search/found)
 LRU cache bittorrent: 0/15/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/KakaoTalk_talk.pcap.out b/tests/cfgs/default/result/KakaoTalk_talk.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	10	(2.00 pkts/flow)
 Confidence Match by port    : 8 (flows)
 Confidence DPI              : 11 (flows)
 Confidence Match by IP      : 1 (flows)
-Num dissector calls: 1194 (59.70 diss/flow)
+Num dissector calls: 1198 (59.90 diss/flow)
 LRU cache ookla:      0/2/0 (insert/search/found)
 LRU cache bittorrent: 0/27/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/Oscar.pcap.out b/tests/cfgs/default/result/Oscar.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	21	(21.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 261 (261.00 diss/flow)
+Num dissector calls: 262 (262.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/alexa-app.pcapng.out b/tests/cfgs/default/result/alexa-app.pcapng.out
@@ -5,7 +5,7 @@ DPI Packets (UDP):	64	(1.94 pkts/flow)
 DPI Packets (other):	6	(1.00 pkts/flow)
 Confidence Match by port    : 14 (flows)
 Confidence DPI              : 146 (flows)
-Num dissector calls: 556 (3.47 diss/flow)
+Num dissector calls: 557 (3.48 diss/flow)
 LRU cache ookla:      0/5/0 (insert/search/found)
 LRU cache bittorrent: 0/42/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/amqp.pcap.out b/tests/cfgs/default/result/amqp.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	9	(3.00 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 383 (127.67 diss/flow)
+Num dissector calls: 384 (128.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/anyconnect-vpn.pcap.out b/tests/cfgs/default/result/anyconnect-vpn.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	10	(1.00 pkts/flow)
 Confidence Unknown          : 2 (flows)
 Confidence Match by port    : 6 (flows)
 Confidence DPI              : 61 (flows)
-Num dissector calls: 862 (12.49 diss/flow)
+Num dissector calls: 863 (12.51 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/24/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/bittorrent_tcp_miss.pcapng.out b/tests/cfgs/default/result/bittorrent_tcp_miss.pcapng.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	10	(10.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 241 (241.00 diss/flow)
+Num dissector calls: 242 (242.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 5/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/cassandra.pcap.out b/tests/cfgs/default/result/cassandra.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	16	(5.33 pkts/flow)
 Confidence DPI              : 3 (flows)
-Num dissector calls: 287 (95.67 diss/flow)
+Num dissector calls: 289 (96.33 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/cloudflare-warp.pcap.out b/tests/cfgs/default/result/cloudflare-warp.pcap.out
@@ -4,7 +4,7 @@ DPI Packets (TCP):	41	(5.12 pkts/flow)
 Confidence Match by port    : 2 (flows)
 Confidence DPI              : 5 (flows)
 Confidence Match by IP      : 1 (flows)
-Num dissector calls: 198 (24.75 diss/flow)
+Num dissector calls: 199 (24.88 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/9/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out b/tests/cfgs/default/result/custom_rules_same-ip_multiple_ports.pcapng.out
@@ -27,6 +27,6 @@ CustomProtocolC	3	222	1
 
 Acceptable                       8 592           3            
 
-	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.400/TLS.CustomProtocolA][IP: 400/CustomProtocolA][Encrypted][Confidence: Match by custom rule][DPI packets: 1][cat: Web/5][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.05 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	1	TCP 192.168.1.245:56866 -> 3.3.3.3:443 [proto: 91.401/TLS.CustomProtocolA][IP: 401/CustomProtocolA][Encrypted][Confidence: Match by custom rule][DPI packets: 1][cat: Web/5][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.05 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
 	2	TCP 192.168.1.245:58288 -> 3.3.3.3:446 [proto: 800/CustomProtocolC][IP: 800/CustomProtocolC][ClearText][Confidence: Match by custom rule][DPI packets: 1][3 pkts/222 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][3.04 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
-	3	TCP 192.168.1.245:59682 -> 3.3.3.3:444 [proto: 401/CustomProtocolB][IP: 401/CustomProtocolB][ClearText][Confidence: Match by custom rule][DPI packets: 1][2 pkts/148 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][1.02 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
+	3	TCP 192.168.1.245:59682 -> 3.3.3.3:444 [proto: 402/CustomProtocolB][IP: 402/CustomProtocolB][ClearText][Confidence: Match by custom rule][DPI packets: 1][2 pkts/148 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][1.02 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/edonkey.pcap.out b/tests/cfgs/default/result/edonkey.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	5	(5.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 145 (145.00 diss/flow)
+Num dissector calls: 146 (146.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/emotet.pcap.out b/tests/cfgs/default/result/emotet.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	48	(8.00 pkts/flow)
 Confidence DPI              : 6 (flows)
-Num dissector calls: 216 (36.00 diss/flow)
+Num dissector calls: 217 (36.17 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fastcgi.pcap.out b/tests/cfgs/default/result/fastcgi.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	6	(6.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 167 (167.00 diss/flow)
+Num dissector calls: 168 (168.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/ftp-start-tls.pcap.out b/tests/cfgs/default/result/ftp-start-tls.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	17	(17.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 169 (169.00 diss/flow)
+Num dissector calls: 170 (170.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/ftp.pcap.out b/tests/cfgs/default/result/ftp.pcap.out
@@ -1,7 +1,7 @@
 DPI Packets (TCP):	39	(13.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
 Confidence DPI              : 2 (flows)
-Num dissector calls: 531 (177.00 diss/flow)
+Num dissector calls: 533 (177.67 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/ftp_failed.pcap.out b/tests/cfgs/default/result/ftp_failed.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	8	(8.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 168 (168.00 diss/flow)
+Num dissector calls: 169 (169.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fuzz-2006-06-26-2594.pcap.out b/tests/cfgs/default/result/fuzz-2006-06-26-2594.pcap.out
@@ -6,7 +6,7 @@ DPI Packets (other):	5	(1.00 pkts/flow)
 Confidence Unknown          : 34 (flows)
 Confidence Match by port    : 27 (flows)
 Confidence DPI              : 190 (flows)
-Num dissector calls: 7173 (28.58 diss/flow)
+Num dissector calls: 7185 (28.63 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/189/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fuzz-2006-09-29-28586.pcap.out b/tests/cfgs/default/result/fuzz-2006-09-29-28586.pcap.out
@@ -5,7 +5,7 @@ DPI Packets (other):	1	(1.00 pkts/flow)
 Confidence Unknown          : 3 (flows)
 Confidence Match by port    : 26 (flows)
 Confidence DPI              : 11 (flows)
-Num dissector calls: 1103 (27.58 diss/flow)
+Num dissector calls: 1109 (27.73 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/87/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/fuzz-2021-10-13.pcap.out b/tests/cfgs/default/result/fuzz-2021-10-13.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	1	(1.00 pkts/flow)
 Confidence Unknown          : 1 (flows)
-Num dissector calls: 141 (141.00 diss/flow)
+Num dissector calls: 142 (142.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/gearman.pcap.out b/tests/cfgs/default/result/gearman.pcap.out
@@ -0,0 +1,28 @@
+DPI Packets (TCP):	4	(4.00 pkts/flow)
+Confidence DPI              : 1 (flows)
+Num dissector calls: 1 (1.00 diss/flow)
+LRU cache ookla:      0/0/0 (insert/search/found)
+LRU cache bittorrent: 0/0/0 (insert/search/found)
+LRU cache zoom:       0/0/0 (insert/search/found)
+LRU cache stun:       0/0/0 (insert/search/found)
+LRU cache tls_cert:   0/0/0 (insert/search/found)
+LRU cache mining:     0/0/0 (insert/search/found)
+LRU cache msteams:    0/0/0 (insert/search/found)
+LRU cache stun_zoom:  0/0/0 (insert/search/found)
+Automa host:          0/0 (search/found)
+Automa domain:        0/0 (search/found)
+Automa tls cert:      0/0 (search/found)
+Automa risk mask:     0/0 (search/found)
+Automa common alpns:  0/0 (search/found)
+Patricia risk mask:   0/0 (search/found)
+Patricia risk mask IPv6: 0/0 (search/found)
+Patricia risk:        0/0 (search/found)
+Patricia risk IPv6:   0/0 (search/found)
+Patricia protocols:   2/0 (search/found)
+Patricia protocols IPv6: 0/0 (search/found)
+
+Gearman	8	494	1
+
+Acceptable                       8 494           1            
+
+	1	TCP 192.168.80.1:23405 <-> 192.168.80.128:4730 [proto: 394/Gearman][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 4][cat: RPC/16][4 pkts/254 bytes <-> 4 pkts/240 bytes][Goodput ratio: 10/5][0.00 sec][bytes ratio: 0.028 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 0/1 0/2 0/1][Pkt Len c2s/s2c min/avg/max/stddev: 54/54 64/60 68/66 6/6][Plen Bins: 100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
diff --git a/tests/cfgs/default/result/google_ssl.pcap.out b/tests/cfgs/default/result/google_ssl.pcap.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	24	(24.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 205 (205.00 diss/flow)
+Num dissector calls: 206 (206.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/http_guessed_host_and_guessed.pcapng.out b/tests/cfgs/default/result/http_guessed_host_and_guessed.pcapng.out
@@ -2,7 +2,7 @@ Guessed flow protos:	1
 
 DPI Packets (TCP):	1	(1.00 pkts/flow)
 Confidence Match by port    : 1 (flows)
-Num dissector calls: 142 (142.00 diss/flow)
+Num dissector calls: 143 (143.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/3/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/imap-starttls.pcap.out b/tests/cfgs/default/result/imap-starttls.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	19	(19.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 217 (217.00 diss/flow)
+Num dissector calls: 218 (218.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)

diff --git a/tests/cfgs/default/result/imap.pcap.out b/tests/cfgs/default/result/imap.pcap.out
@@ -1,6 +1,6 @@
 DPI Packets (TCP):	11	(11.00 pkts/flow)
 Confidence DPI              : 1 (flows)
-Num dissector calls: 217 (217.00 diss/flow)
+Num dissector calls: 218 (218.00 diss/flow)
 LRU cache ookla:      0/0/0 (insert/search/found)
 LRU cache bittorrent: 0/0/0 (insert/search/found)
 LRU cache zoom:       0/0/0 (insert/search/found)